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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Ventricular Tachyarrhythmias Clear all
Recruiting Not applicable Interventional

Saline Enhanced Radiofrequency (SERF) Needle Ablation for Refractory VT

NCT05337241
View directory record Official record
Conditions
Refractory Ventricular Tachycardia
Interventions
Saline Enhanced Radiofrequency (SERF) Ablation
Device
Lead sponsor
Thermedical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
5
States / cities
Birmingham, Alabama • Philadelphia, Pennsylvania • Charleston, South Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2025 · Synced Jul 23, 2026, 11:22 AM EDT
Completed Phase 4 Interventional Results available

Antiarrhythmic Effects of Spironolactone in Patients With ICDs

NCT04495712
View directory record Official record
Conditions
Ventricular Arrhythmias
Interventions
spironolactone, placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 8, 2020 · Synced Jul 23, 2026, 11:22 AM EDT
Completed Not applicable Interventional Results available

Inducibility and Stability of Ventricular Tachycardia Inpatients Undergoing VT Ablation Under General Anesthesia

NCT02419547
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Versed, Fentanyl, Propofol, Sevoflurane
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 8, 2019 · Synced Jul 23, 2026, 11:22 AM EDT
Recruiting Not applicable Interventional

Ventricular Tachycardia Mechanisms

NCT05478213
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Monophasic Action Potential (MAP) Catheter
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Jul 23, 2026, 11:22 AM EDT
Terminated Phase 3 Interventional Results available

Continuation of Antiarrhythmics Following Ventricular Tachycardia Catheter Ablation

NCT04208997
View directory record Official record
Conditions
Tachycardia, Ventricular, Catheter Ablation
Interventions
Antiarrhythmic drug
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 13, 2022 · Synced Jul 23, 2026, 11:22 AM EDT
Recruiting Not applicable Interventional

Ablation-Index Guided Scar-Mediated Ventricular Tachycardia Ablation in Patients With Ischemic Cardiomyopathy

NCT06138873
View directory record Official record
Conditions
Ventricular Tachycardia, Ischemic Cardiomyopathy
Interventions
Ablation-index guided ventricular tachycardia ablation, Ventricular tachycardia ablation with no AI-guidance
Procedure
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
5
States / cities
Chicago, Illinois • Boston, Massachusetts • Ann Arbor, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced Jul 23, 2026, 11:22 AM EDT
Withdrawn No phase listed Observational

The Ability Of The PD2i Cardiac Analyzer To Predict Risk Of Ventricular Tachyarrhythmic Events

NCT00510731
View directory record Official record
Conditions
Tachycardia, Ventricular, Cardiac Sudden Death
Interventions
Not listed
Lead sponsor
Vicor Technologies, Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
19
States / cities
Los Angeles, California • San Ramon, California • Walnut Creek, California + 14 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2015 · Synced Jul 23, 2026, 11:22 AM EDT
Terminated Not applicable Interventional

Unpinning Termination Therapy for VT (US)

NCT03093051
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Unpinning Termination therapy
Device
Lead sponsor
Cardialen, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
7
States / cities
Sacramento, California • Des Moines, Iowa • Minneapolis, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2022 · Synced Jul 23, 2026, 11:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Transseptal vs Retrograde Aortic Ventricular Entry to Reduce Systemic Emboli

NCT03946072
View directory record Official record
Conditions
Neurocognitive Dysfunction
Interventions
Transseptal Aortic Approach Catheter Ablation Procedure, Retrograde Aortic Approach Catheter Ablation Procedure
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
20
States / cities
Phoenix, Arizona • Los Angeles, California • Palo Alto, California + 14 more
Source: ClinicalTrials.gov public record
Updated Dec 25, 2023 · Synced Jul 23, 2026, 11:22 AM EDT
Completed Not applicable Interventional Results available

Percutaneous Hemodynamic Support With Impella 2.5 During Scar-related Ventricular Tachycardia Ablation

NCT01294267
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Circulatory Support System
Device
Lead sponsor
Vivek Reddy
Other
Eligibility
18 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 13, 2018 · Synced Jul 23, 2026, 11:22 AM EDT
Terminated No phase listed Observational

Physician Assessment of the Clinical Utility of a Patient-Specific 3D Electro-Anatomical Heart Model in VT Ablation

NCT04841382
View directory record Official record
Conditions
Ischemic Monomorphic Ventricular Tachycardia
Interventions
Supporting information.
Other
Lead sponsor
CardioSolv Ablation Technologies
Industry
Eligibility
18 Years to 85 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 18, 2022 · Synced Jul 23, 2026, 11:22 AM EDT
Completed No phase listed Observational

INSIGHTS ICD Registry

NCT00279968
View directory record Official record
Conditions
Ventricular Tachycardia, Ventricular Fibrillation
Interventions
ICD
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
1,326 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
44
States / cities
Little Rock, Arkansas • Fountain Valley, California • Poway, California + 41 more
Source: ClinicalTrials.gov public record
Updated Dec 27, 2007 · Synced Jul 23, 2026, 11:22 AM EDT
Withdrawn Not applicable Interventional

Noninvasive Cardiac Radioablation for Ventricular Tachycardia Refractory to Medication and Catheter Ablation

NCT04757688
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Cardiac radioablation (CRA)
Radiation
Lead sponsor
John Stahl
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Nov 8, 2022 · Synced Jul 23, 2026, 11:22 AM EDT
Completed Phase 4 Interventional Results available

DOACs for Stroke Prevention Post Ventricular Tachycardia Ablation

NCT02666742
View directory record Official record
Conditions
Ventricular Tachycardia, Premature Ventricular Contraction, Stroke
Interventions
DOAC, Aspirin
Drug
Lead sponsor
Kansas City Heart Rhythm Institute
Other
Eligibility
18 Years to 80 Years
Enrollment
246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
4
States / cities
Kansas City, Kansas • Overland Park, Kansas • The Bronx, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2022 · Synced Jul 23, 2026, 11:22 AM EDT
Not listed Not applicable Interventional

The Z Stitch Early Bed Rest Assessment Study

NCT06087497
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Flutter, Supraventricular Tachycardia, Syncope, Ventricular Tachycardia
Interventions
Early mobilization
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 99 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 14, 2024 · Synced Jul 23, 2026, 11:22 AM EDT
Completed Not applicable Interventional Results available

Understanding Outcomes With the EMBLEM™ S-ICD in Primary Prevention Patients With Low Ejection Fraction

NCT02433379
View directory record Official record
Conditions
Ventricular Fibrillation, Ventricular Tachycardia, Low Cardiac Output
Interventions
EMBLEM S-ICD System
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
21 Years and older
Enrollment
1,173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
69
States / cities
Birmingham, Alabama • Huntsville, Alabama • Gilbert, Arizona + 62 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2025 · Synced Jul 23, 2026, 11:22 AM EDT
Completed No phase listed Observational

Precision Event Monitoring for Patients With Heart Failure Using HeartLogic

NCT03579641
View directory record Official record
Conditions
Heart Failure, Defibrillators, Implantable, Monitoring, Physiologic, Cardiac Resynchronization Therapy, Cardiovascular Disease, Heart Disease
Interventions
HeartLogic Sensors
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
2,184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
56
States / cities
Birmingham, Alabama • Jonesboro, Arkansas • Little Rock, Arkansas + 48 more
Source: ClinicalTrials.gov public record
Updated Oct 24, 2022 · Synced Jul 23, 2026, 11:22 AM EDT
Terminated Not applicable Interventional Results available

Advanced Reperfusion Strategies for Refractory Cardiac Arrest

NCT03880565
View directory record Official record
Conditions
Cardiac Arrest, Extracorporeal Membrane Oxygenation Complication, Ventricular Fibrillation, Pulseless Ventricular Tachycardia, Out-Of-Hospital Cardiac Arrest
Interventions
Early Extracorporeal Membrane Oxygenation (ECMO) Facilitated Resuscitation, Standard Advanced Cardiac Life Support (ACLS) Resuscitation
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Jul 23, 2026, 11:22 AM EDT
Completed Not applicable Interventional

FLExAbility Sensor Enabled Substrate Targeted Ablation for the Reduction of VT Study

NCT03490201
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Market Approved RF Ablation System, FlexAbility SE Ablation Catheter
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
592 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
23
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2025 · Synced Jul 23, 2026, 11:22 AM EDT
Recruiting Not applicable Interventional

Electroanatomic Interactions Between Transcatheter Pulmonary Valve Prostheses and Anatomic Isthmuses in Repaired Tetralogy of Fallot

NCT05236153
View directory record Official record
Conditions
Tetralogy of Fallot, Ventricular Tachycardia, Sudden Cardiac Death
Interventions
Electroanatomic substrate mapping
Diagnostic Test
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 7, 2023 · Synced Jul 23, 2026, 11:22 AM EDT
Completed Not applicable Interventional Results available

REnal Sympathetic dEnervaTion as an a Adjunct to Catheter-based VT Ablation

NCT01858194
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Renal sympathetic denervation, VT ablation alone
Device
Lead sponsor
Vivek Reddy
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 16, 2020 · Synced Jul 23, 2026, 11:22 AM EDT
Completed Not applicable Interventional

VIVO™ Accuracy Study

NCT03340142
View directory record Official record
Conditions
Premature Ventricular Contraction, Ventricular Tachycardia
Interventions
VIVO™
Device
Lead sponsor
Catheter Precision. Inc.
Industry
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
3
States / cities
Iowa City, Iowa • Baltimore, Maryland • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 14, 2018 · Synced Jul 23, 2026, 11:22 AM EDT
Recruiting Not applicable Interventional

Safety and Performance Assessment of the Sphere-9™ Catheter and Affera™ Ablation System for the Treatment of Ventricular Tachycardia (Sphere-9 VT EFS)

NCT06703489
View directory record Official record
Conditions
Ventricular Tachycardia (VT)
Interventions
Sphere-9 Catheter with the Affera Mapping and Ablation System
Device
Lead sponsor
Medtronic Cardiac Ablation Solutions
Industry
Eligibility
18 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
6
States / cities
Boston, Massachusetts • New York, New York • Cleveland, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Jul 23, 2026, 11:22 AM EDT
Terminated No phase listed Observational

Catheter Ablation of Ventricular Arrhythmia Reduces Skin Sympathetic Activity

NCT04837183
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced Jul 23, 2026, 11:22 AM EDT